<!--
 * @Author: wanggang
 * @Date: 2019-08-01 11:10:05
 * @Description: 
 -->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        .line {
            position: absolute;
            width: 200px;
            height: 30px;
            left: 25%;
            top: 25%;
            border-bottom: 0.5px solid #9E9E9E;
            background: linear-gradient(aqua, aqua) right bottom;
            background-repeat: no-repeat;
            background-size: 8px 1px;
            box-sizing: border-box; 
        }
    </style>
</head>

<body>
    <div class="line">

    </div>
</body>
</html>